1220200001022 has 16 divisors (see below), whose sum is σ = 2506356759312. Its totient is φ = 395740540800.

The previous prime is 1220200001021. The next prime is 1220200001063. The reversal of 1220200001022 is 2201000020221.

It is a junction number, because it is equal to n+sod(n) for n = 1220200000989 and 1220200001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220200001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748197979 + ... + 2748198422.

It is an arithmetic number, because the mean of its divisors is an integer number (156647297457).

Almost surely, 2^{1220200001022} is an apocalyptic number.

1220200001022 is an abundant number, since it is smaller than the sum of its proper divisors (1286156758290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220200001022 is a wasteful number, since it uses less digits than its factorization.

1220200001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496396443.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1220200001022 its reverse (2201000020221), we get a palindrome (3421200021243).

The spelling of 1220200001022 in words is "one trillion, two hundred twenty billion, two hundred million, one thousand, twenty-two".